diff --git a/pills/17-nixpkgs-overriding-packages.xml b/pills/17-nixpkgs-overriding-packages.xml
index 6b1d5ae..ce43350 100644
--- a/pills/17-nixpkgs-overriding-packages.xml
+++ b/pills/17-nixpkgs-overriding-packages.xml
@@ -113,7 +113,7 @@
       In the previous pill we already talked about this file. The above <filename>config.nix</filename> that we just wrote could be the content of <filename>~/.config/nixpkgs/config.nix</filename> (or the deprecated location <filename>~/.nixpkgs/config.nix</filename>).
     </para>
     <para>
-      Instead of passing it explicitly whenever we import <literal>nixpkgs</literal>, it will be automatically <link xlink:href="https://github.com/NixOS/nixpkgs/blob/f224a4f1b32b3e813783d22de54e231cd8ea2448/lib/fixed-points.nix#L19">imported by nixpkgs</link>.
+      Instead of passing it explicitly whenever we import <literal>nixpkgs</literal>, it will be automatically <link xlink:href="https://github.com/NixOS/nixpkgs/blob/32c523914fdb8bf9cc7912b1eba023a8daaae2e8/pkgs/top-level/impure.nix#L28">imported by nixpkgs</link>.
     </para>
   </section>
   <section>